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60 results for “Buckling”
Dataset from Experimental and Nonlinear Finite Element Modeling Investigating an Innovative Buckling Restrained Bracing System for Rehabilitation of Seismic Deficient Structures
<p>The data presented in this paper were collected experimentally and modeled using the finite element method. A total of six BRBs (i.e., duplicates of three types of BRB core bars) specimens were tested experimentally and verified numerically using the finite element method employing the commercial Software ABAQUS. Specific labeling was used to designate each BRB type. Three core bars were used in the tested BRBs: fully-threaded, threaded-notched, and smooth-shaved. The specimens are labeled according to their core bar type and diameter. i.e., BRB-12-Th stands for a full threaded core bar diameter of 12 mm, the threaded notched type was labeled BRB-12-Th-Nd, and the smooth shave one was labeled BRB-12-Sh.</p> <p>Further details of the tested BRBs are included in the excel file called dimensions and properties of BRBs. The worksheet provides details of the BRB components (i.e., core bar, restraining unit, and innovative end units). The dimensions and strength of the materials were obtained from coupon tests. The experimental data are presented in the second excel file labeled hysteresis with three embedded worksheets, one for each type of BRB. The excel sheets provide the cyclic loading data and plots showing the hysteresis behavior of tested BRBs. A sample of the loading protocol included in the second excel file is presented in Fig.1. The third excel file presents the analytical data extracted from experimental data that has two sheets: stiffness and energy dissipation. The sheet labeled stiffness has the secant stiffness versus deformation plot for the push-pull cycles (compression-tension). The second sheet labeled energy dissipation shows the cumulative energy dissipated.</p>
Database of Static Buckling Experiments with Cylindrical Composite Shells under Axial Compression
<p>This document lists all freely available data on thin-walled axially loaded composite cylindrical shells. The list includes the material used, the laminate lay-up, the wall thickness, the radius, the length, the determined material parameters, the boundary conditions, the buckling load, the manufacturer and manufacturing process as well as the test rig used.</p> <p>If you have new test data you want to add in this database feel free to contact us via tobias.hartwich@tuhh.de or stefan.panek@tuhh.de</p>
Dataset for "Active buckling of pressurized spherical shells : Monte Carlo simulation"
<p>We study the buckling of pressurized spherical shells by <br> Monte Carlo simulations in which the<br> detailed balance is explicitly broken -- thereby driving the shell<br> active, out of thermal equilibrium.<br> Such a shell typically has either higher (active) or<br> lower (quiescent) fluctuations<br> compared to one in thermal equilibrium depending on how the detailed balance<br> is broken.<br> We show that, for the same set of elastic parameters, a shell<br> that is not buckled in thermal equilibrium can be buckled if turned<br> active. Similarly a shell that is buckled in thermal equilibrium<br> can unbuckle if turned quiescent.<br> Based on this result, we suggest that it is possible to experimentally design<br> microscopic elastic shells whose buckling can be optically controlled.</p>
Cell membrane buckling governs early-stage ridge formation in butterfly wing scales: data
<p>This repository contains the raw data for:<br> JF Totz, AD McDougal, L Wagner, S Kang, PTC So, J Dunkel, BD Wilts, and M Kolle, Cell membrane buckling governs early-stage ridge formation in butterfly wing scales, (forthcoming).</p> <p>The raw data is of a volumetric time series of scales growing on the wing of an individual <em>Vanessa cardui</em> pupa, collected with quantitative phase imaging.</p> <p>Additional details may be found in the Materials and Methods, as well as the SI, of the above publication.</p> <p> </p> <p>The companion code repository may be found on Zenodo:</p> <p>JF Totz, AD McDougal, L Wagner, S Kang, PTC So, J Dunkel, BD Wilts, and M Kolle. (Forthcoming). "Cell membrane buckling governs early-stage ridge formation in butterfly wing scales:code" (v1.0) [Data set]. Zenodo. <a href="https://doi.org/10.5281/zenodo.8369163">https://doi.org/10.5281/zenodo.8369163</a></p> <p> </p> <p>Note that file A-40-01_11_04_34_set_115.mat was previously released in: AD McDougal, S Kang, Z Yaqoob, PTC So, and M Kolle, Data and analysis codes for “In vivo visualization of butterfly scale cell morphogenesis in Vanessa cardui.” Zenodo. https://doi.org/10.5281/zenodo.5532941. We include it here for completeness of this time series.</p>
Kengänsolki, Shoe Buckle (SMM877:47)
Kengänsolki, messinkiä. Löydetty Ruotsinsalmen II meritaistelussa uponneen saaristofregatti st. Nikolain hylystä. Suomen merimuseon kokoelmat, Suomen kansallismuseo A brass shoe buckle. Found from the wreck of frigate st. Nikolai, sunk during the second Battle of Svensksund in 1790. Collections of the Maritime Museum of Finland , The National Museum of Finland Source: Objaverse 1.0 / Sketchfab
Buckle
Russia, Republic of Bashkortostan, Khaibullinsky district. Excavations of 2007. Necropolis Perevolochan-1. Barrow №12. Burial №1. Clasp clothes? Bone. Dimensions: 18x14 mm, thickness - 7 mm, hole diameter – 9х8 mm. Iron Age. Iron Age. Chronology: IV century BC. Sarmatian culture. Source: Objaverse 1.0 / Sketchfab
Data for: Slab buckling as a driver for rapid oscillations in plate motion and subduction rate
<p>Data to make the figures in the manuscript: Slab buckling as a driver for rapid oscillations in plate motion and subduction rate by van der Wiel & Pokorny. The readme explains the .txt files.</p>
Wmid-c2fb5e - Medieval buckle or hinge
An incomplete repaired sheet copper alloy metal hinge or possible buckle plate of probable Medieval dating (c. AD 1200 to AD 1500). The hinge has been made from one piece of sheet copper alloy metal folded over and three rectangular loops cut out. The base is rectangular, with an incomplete circular rivet hole present on the outer edge. The hinge has been repaired twice. Once when the left hand loop broke, and another sheet of copper alloy metal was inserted inside the hinge with a new loop and riveted in place. The rivet is now missing. The second repair is a reenforcement plate on the underneath of the right hand loop. This still has a copper alloy rivet holding it in place, with that rivet hole being placed above the original hole. The old hole has an internal diameter of 3.0 mm. No decoration is present on either side. For more information, please visit the online database record available at: https://finds.org.uk/database/artefacts/record/id/1071024 Source: Objaverse 1.0 / Sketchfab
Bird-shaped buckle of bronze
Burial finds from the Late Iron Age/Merovingian period. Bird-shaped buckle of bronze, decorated with circles on the back and rib-like lines running down towards the tail. The buckle has a small hole the neck, just below the needle holder on the back. Needle holder and attachment are incompletely preserved. Found in: Hedlebakkane - Ferkingstad - Karmøy - Rogaland - Norway MuseumsID: S4260a Dated to: Late Iron Age/Merovingian period 550-800 AD. Source: Objaverse 1.0 / Sketchfab
Rusted Buckle
This artifact is a harness buckle, possibly for a horse. This was found with other artifacts at the McClure farmstead. The site is located in Miller Grove, a freed African-American community located in the Shawnee National Forest. The excavations were performed by an SIUC Field School in 2019. The Director of the Center for Archaeological Investigations, Dr. Mark J. Wagner, lead the field school. Source: Objaverse 1.0 / Sketchfab
Wmid-438e0c - Post Medieval buckle frame
An incomplete silvered white metal rectangular buckle frame of Post Medieval dating (AD 1690 to AD 1720). Less than 50% of the buckle frame is present, consisting of one loop. The front has been decorated with a ring and dot design in each surviving corner and one in between. Triangular knops are present on the corners. Crescents are present linking each ring and dot roundel. Rouletted grooves are present on the inner edges of the crescents. The reverse of the buckle frame is flat and undecorated. For more information, please visit the online database record available at: https://finds.org.uk/database/artefacts/record/id/1071859 Source: Objaverse 1.0 / Sketchfab
Wmid-c1ef42 - Post medieval buckle chape
A complete copper alloy buckle chape of Post Medieval dating (AD 1600 to AD 1800). The chape has a single sharp point, with a hinge at the bottom. The base of the chape has concave sides before terminating in another probable hinge. A maker's mark is present beneath the sharp point on the obverse. For more information, please visit the online database record available at: https://finds.org.uk/database/artefacts/record/id/1070986 Source: Objaverse 1.0 / Sketchfab
Buckle 01
Russia, Republic of Bashkortostan, Khaibullinsky District. Excavations of 2009. Single barrow Yakovlevka-2. Burial number 5. Fibula. Iron. Forging. Early Iron Age. Sarmatian culture. Source: Objaverse 1.0 / Sketchfab
Wmid-a2f60e - Post Medieval shoe buckle
An incomplete copper alloy rectangular shoe or knee buckle of Post Medieval dating (AD 1680 to AD 1720). The buckle frame is rectangular. The frame has been decorated with four transverse grooves either end of the spindle. The outer edges are expanded at the centre point, with two notches removed from the edge. The frame is drilled for a separate spindle. The chape is incomplete, with the attachment end missing. The pin is triangular. For more information, please visit the online database record, available at: https://finds.org.uk/database/artefacts/record/id/1064350 Source: Objaverse 1.0 / Sketchfab
Supporting materials for "Suppressing torsional buckling in auxetic meta-shells"
<p>The repository of the supporting materials for the manuscript entitled "Suppressing torsional buckling in auxetic meta-shells"<br>Supporting materials include:</p> <ol> <li>Experimental and finite element data sets</li> <li>Python codes for (i) analyzing the data and visualizing the figures in the manuscript and (ii) performing image analysis to obtain the radial strain of the meta-shells</li> <li>CAD files used for 3D printing the models and simulating them via finite element simulation</li> <li>The input files for the finite element analysis.</li> </ol>
Data from "Quantitative determination of atomic buckling of silicene by atomic force microscopy"
<p>Data From the publication "Quantitative determination of atomic buckling of silicene by atomic force microscopy"</p>
Dataset for: Buckling of lipidic ultrasound contrast agents under quasi-static load
<p>Collapse of lipidic ultrasound contrast agents under high-frequency compressive load has been historically interpreted by the vanishing of surface tension. By contrast, buckling of elastic shells is known to occur when costly compressible stress is released through bending. Through quasi-static compression experiments on lipidic shells, we analyze the buckling events in the framework of classical elastic buckling theory and deduce the mechanical characteristics of these shells. They are then compared to that obtained through acoustic characterization.</p>
Dataset for: Buckling of lipidic ultrasound contrast agents under quasi-static load
Open the record for dataset details and reuse information.
Peacock Buckle
Description Here Source: Objaverse 1.0 / Sketchfab
Bronze belt buckle, Molinello
"Bronze belt buckle from the Tumulus of Molinello, Asciano, Tuscany. Bronze spiral-shaped buckle of belt. Late 7th- early 6th c. BCE. Tomb N, Tumulus of Molinello, Asciano. Unpublished. Displayed at the Civic Museum of Archaeology and Sacred Art at Palazzo Corboli, Asciano. Processed in Reality Capture from 730 images. GDH ID No. Case28_Fibia, Inventory No. This project was done under the authority of the Soprintendenza Archeologia, belle arti e paesaggio per le province di Siena Grosseto e Arezzo in collaboration with Global Digital Heritage and the Municipality of Asciano. We thank all the staff from Palazzo Corboli for making the collection accessible and for providing an excellent work environment. We also acknowledge Dr. Mangani, the excavator of the Tumulus, for providing access to the unpublished catalogue of the objects." Source: Objaverse 1.0 / Sketchfab
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